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This paper studies the voltage stability problems of wind farm access to electric grid. Based on the equivalent circuit of asynchronous machine, it deduces the relationship of wind turbine angular velocity rotation with the induction generator terminal voltage. Aiming at wind power for 10 kV distribution grid, a novel SVC is proposed to replace the fixed capacitors compensating devices. The reactive...
In this study, the voltage stability of the bus load in various static and dynamic load systems that are fed by a wind farm has been examined. In the control of load voltage and reactive power, 10 MVAr static synchronous compensator (STATCOM) and static VAr compensator (SVC) is used. In the wind farm examined, Double Feed Induction Generator (DFIG) is used. In voltage and reactive power control, the...
This paper present a nonlinear controller for static VAR compensator (SVC) control system based on auto-disturbance-rejection control theory. This control theory is model free and with strong robustness. The work investigates the effect of this SVC on dynamic voltage stability of wind farm composed of fixed-speed induction generator (FSIG). The SVC with ADRC provides an optimal signal in order to...
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